SI.com's 2015 NBA free agent tracker

The NBA's free agent period began with a boom on July 1 with an avalanche of deals. Teams spent $1.4 billion on players during the first day alone. Although the two parties can agree to deals now, they can't officially sign sign contracts until July 9. Like every off-season, this one is jam-packed with intrigue and storylines. Will LeBron James remain in Cleveland? Will LaMarcus Aldridge leave the Blazers for a title contender? And what about the futures of other high-profile free agents?

SI.com has all of your off-season needs covered. Follow every move in free agency with our free-agent tracker, along with our analysis and grades from our NBA experts. Below, you'll also find rankings for the top 25 free agents, positional rankings, top storylines to watch and the latest trade rumors and buzz.